Subsea Processing & Boosting Subsea Processing & Boosting OMC 2011OMC 2011, IOR Workshop , IOR Workshop Ravenna 24Ravenna 24thth March 2011March 2011

Ove F Ove F JahnsenJahnsen

MamagerMamager EarlyEarly PhasePhase & Market& Market

Ovefritz.jahnsen@fks.fmcti.comOvefritz.jahnsen@fks.fmcti.com

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Subsea Processing

• Largest contributor to Increased Recovery

• Enabler for difficult production regimes:

- Long distance tie-back’s

- Low pressure reservoirs

- Arctic Developments – long distance, under ice

- Cost efficient handling of increased water production

• Enabler for next generation Subsea Developments (Less Topside – More Subsea)

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Compression Station

Boosting Station

Separation Station

Subsea Processing = Separation, Boosting, Compression and Power Transmission

FMC is focusing on the IOR Opportunity

IOR Drivers

• Increased demand for oil

• Need for increased production from existing fields

• Extended life-time for existing fields

• OPEX reduction on existing production

• Increased environmental friendliness

Increased Oil Recovery defined as the application of technology that can improve recovery beyond what is expected with current plans and methods

Subsea IOR: Great untapped Potential0.0

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IOR Measure IOR Measure

Field Break-even

IOR Measure

Production curve

IOR Implementation

• Complements continuous production optimization

- Optimized uptime and production

• Implementation of measures to shift production curve upwards to increase recovery

• Combination of technologies and services

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Marlim - Petrobras- First heavy oil deep water

- Four-phase separation

- Water injection for pressure support

Development continues Development continues along established Roadmapalong established Roadmap

Åsgard- Statoil- First Subsea Gas

Compression

Tordis – Statoil- First Commercial System

- Four -phase Separation

- Bulk water removal with injection + boosting

Pazflor - Total- First Deepwater

- Gas/Liquid separation

- Hydrate mitigation & pressure support

Subsea Processing DevelopmentSubsea Processing Development

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Troll Pilot– Statoil- First Pilot

- Three - phase Separation

- Bulk water removal with injection

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2014

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SubseaSubsea ProcessingProcessingEnhancing brownfield oil recovery andenabling greenfield development

• Brownfield challenges: − Declining oil & gas production − Increasing water production− Constrained topside facilities

• Greenfield challenges:− Heavy oil − Low reservoir pressure− Hydrate formation

• Subsea processing solutions:− Gas/oil/water− Gas/Liquid− Sand separation− Boosting − Gas compression

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Why Subsea Processing

• Increased recovery

• Accelerate production

• Reduced Capital Expenditure

• Makes it possible to:– connect satellite fields to existing infrastructure

– exploit fields that are normally inaccessible

– exploit costly infrastructure fully throughout the systems operational period

– depressurize system as a hydrate strategy

• Influence on the environment will decrease

• Reduces water disposal to sea

• Enhances flow management

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What influence selection of separation technology?• Drivers for subsea processing station

– System considerations, not only component considerations

– Flexibility over the life of field, need to cover changes in conditions and uncertainties

– Robust and reliable systems

• Fluid properties– Density, viscosity, mixed viscosity, inversion point etc at operational conditions, asphaltenes,

creation of foam, emulsions etc.

• Production profile– Water cut (WC), gas volume fraction (GVF) as function of time

– Pressure, temperature profile as function of time

• Sand production– During ”normal” conditions and ”worst case” conditions (e.g. screen failure)

• Field layout– Field layout of wells/drilling centers/existing infrastructure

– Sizes of pipelines

– Location of processing station compared to wells

Some operational issues

• Condition change during the field life– Flexible and robust system

• Operate outside the design conditions– Fail safe systems and training of personnel

• Failure of equipment due to operational errors– Fail safe and protection of equipment, e.g. CPM

• Failure of equipment due to mechanical failure– Robust design and testing

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MovingMoving from bulk from bulk gravitygravity separationseparation …………

• Tordis oil/water separator • Pazflor gas/liquid separator

Future SolutionsFuture Solutions

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……to ……to slimmerslimmer and more and more compactcompactsolutionssolutions…………

• Caisson separator cluster in deep water

• PipeSeparator • Caisson separator in GoM

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……to ……to inlineinline, , ultraultra--compactcompact solutionssolutions

• Proven topside technology

• Ongoing qualification for subsea use

• CDS Inline deliquilizer

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Questions on Subsea Processing

• Do oil companies know what is out there?

• Is the full potential recognized?

• What can we do to increase awareness?

• What will it take to make this a common used technology?

• Economic models demonstrate the benefits, but the risk is considered to high?

• What can we do to reduce risk and increase the confidence?

• Why wait until the added value is less?

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The VisionThe Vision

Thank You!Thank You!

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